{"podcast":{"title":"The Newsletter Podcast with Fexingo: Substack, Beehiiv, and Email Newsletter Business","slug":"the-newsletter-podcast-with-fexingo-substack-beehiiv-and-email-newsletter-business-7871729","podcast_index_feed_id":7871729,"rss_url":"https://feeds.fexingo.com/business/the-newsletter-podcast.xml","website_url":"https://www.fexingo.com/","image_url":"https://audio.fexingo.com/business/the-newsletter-podcast/cover.png","author":"Fexingo","episode_count":120,"summary":"Every week, Lucas and Luna scrutinize the business of email newsletters — the platforms, the economics, the craft. From Substack's creator equity model to Beehiiv's ad-network play, they map the shifting landscape where independent writers and media companies collide. They examine real newsletters — Morning Brew, The Hustle, Lenny's Letter — to understand what drives growth, retention, and monetization. Lucas, a former journalist, pushes for the editorial side: How do you build a voice that compels opens? Luna, grounded in audience data, counters with open rates, churn curves, and unit economics. Together, they debate the tension between sponsored content and reader-funded models, the role of SEO and social distribution, and the fragility of a business built on a single inbox. This is not a how-to guide; it's a forensic look at a medium reshaping media. If you run a newsletter, think about starting one, or simply subscribe to a dozen, their conversations will change how you see that daily email. What happens when a writer's list becomes their primary asset — and what happens when it doesn't? #EmailNewsletter #Substack #Beehiiv #NewsletterBusiness #CreatorEconomy #MorningBrew #Medi…","last_synced_at":"2026-07-19T06:17:59.331548+00:00","page_url":"https://stenobird.com/podcast/the-newsletter-podcast-with-fexingo-substack-beehiiv-and-email-newsletter-business-7871729"},"episode":{"title":"How Newsletter Writers Use A-B Testing Subject Lines to Boost Open Rates","slug":"how-newsletter-writers-use-a-b-testing-subject-lines-to-boost-open-rates","published_at":"2026-07-07T18:50:28+00:00","page_url":"https://stenobird.com/podcast/the-newsletter-podcast-with-fexingo-substack-beehiiv-and-email-newsletter-business-7871729/how-newsletter-writers-use-a-b-testing-subject-lines-to-boost-open-rates","show_page_url":"https://stenobird.com/podcast/the-newsletter-podcast-with-fexingo-substack-beehiiv-and-email-newsletter-business-7871729","url":"https://audio.fexingo.com/business/the-newsletter-podcast/episode-0098.mp3","audio_url":"https://audio.fexingo.com/business/the-newsletter-podcast/episode-0098.mp3","summary":"In Episode 98 of The Newsletter Podcast, Lucas and Luna dive into the science of A/B testing subject lines for email newsletters. They break down a real-world case from a 200k-subscriber marketing newsletter that tested '5 Growth Hacks' versus '5 Growth Hacks That Actually Worked' and saw a 22% lift in opens. The hosts discuss sample size minimums, statistical significance, and how Beehiiv's built-in A/B testing tool compares to Substack's manual split. They also touch on the psychology of curiosity gaps and the common mistake of testing too many variables at once. Perfect for newsletter writers who want to move from guessing to knowing what drives opens. #ABTesting #SubjectLines #EmailMarketing #OpenRates #NewsletterGrowth #Beehiiv #Substack #MarketingTips #Copywriting #CuriosityGap #DataDriven #EmailNewsletter #FexingoBusiness #BusinessPodcast #Marketing #NewsletterStrategy #ConversionOptimization #ContentMarketing Keep every episode free: buymeacoffee.com/fexingo","meta_description":"In Episode 98 of The Newsletter Podcast, Lucas and Luna dive into the science of A/B testing subject lines for email newsletters. They break down a real-w…","key_points":[],"chapters":[],"topics":[],"duration_seconds":516,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/the-newsletter-podcast-with-fexingo-substack-beehiiv-and-email-newsletter-business-7871729/episodes/how-newsletter-writers-use-a-b-testing-subject-lines-to-boost-open-rates/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/the-newsletter-podcast-with-fexingo-substack-beehiiv-and-email-newsletter-business-7871729/how-newsletter-writers-use-a-b-testing-subject-lines-to-boost-open-rates.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}